Engine-CodesFord – P1288 1999 Ford F150

P1288 1999 Ford F150 Code - Cylinder Head Temperature Sensor Out of Self-Test Range

Quick Answer

The P1288 diagnostic trouble code (DTC) for a 1999 Ford F150 indicates that the Cylinder Head Temperature (CHT) sensor is reading a temperature that is outside of the self-test range set by the vehicle's Engine Control Module (ECM). Common causes include Faulty Cylinder Head Temperature sensor, Wiring or connector issues in the CHT sensor circuit, ECM software malfunction. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1288 1999 Ford F150 indicates Cylinder Head Temperature Sensor Out of Self-Test Range.
Common causes
Common causes include Faulty Cylinder Head Temperature sensor, Wiring or connector issues in the CHT sensor circuit, ECM software malfunction.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code P1288 1999 Ford F150 Description

The P1288 diagnostic trouble code (DTC) for a 1999 Ford F150 indicates that the Cylinder Head Temperature (CHT) sensor is reading a temperature that is outside of the self-test range set by the vehicle's Engine Control Module (ECM). The CHT sensor is responsible for monitoring the temperature of the cylinder head to ensure optimal engine performance and efficiency. When the sensor detects a temperature that is out of range, it can lead to various issues with the vehicle's operation.

OBDII Code P1288 1999 Ford F150 - Cylinder Head Temperature Sensor Out of Self-Test Range
P1288 1999 Ford F150 Code - Cylinder Head Temperature Sensor Out of Self-Test Range

Common Causes of P1288 1999 Ford F150

  1. Faulty Cylinder Head Temperature sensor
  2. Wiring or connector issues in the CHT sensor circuit
  3. ECM software malfunction
  4. Engine coolant temperature sensor malfunction
  5. Engine overheating

Symptoms of P1288 1999 Ford F150

  1. Check Engine Light illuminated
  2. Engine running rough or misfiring
  3. Decreased fuel efficiency
  4. Engine overheating
  5. Loss of power

How to Fix P1288 1999 Ford F150

  1. Diagnose the issue by using a scan tool to retrieve the trouble codes and check the CHT sensor's readings.
  2. Inspect the wiring and connectors in the CHT sensor circuit for any damage or corrosion.
  3. Test the CHT sensor's resistance and compare it to the manufacturer's specifications to determine if it is faulty.
  4. Replace the CHT sensor if it is found to be defective.
  5. Clear the trouble codes and perform a test drive to ensure the issue has been resolved.

Cost to Fix P1288 1999 Ford F150

The cost of repairing a P1288 code on a 1999 Ford F150 can vary depending on the specific cause of the issue. Typically, the price of a new Cylinder Head Temperature sensor ranges from $50 to $100, while the labor costs for diagnosis and replacement can range from $100 to $200. Overall, the total repair cost for this issue could be between $150 and $300. It is important to note that labor rates at auto repair shops can vary, so it is advisable to check with local shops for a more accurate estimate.

Tech Notes for P1288 1999 Ford F150

This indicates the Cylinder Head Temperature (CHT) sensor is out of the Self-Test range. The engine is not at a normal operating temperature.

When is the Code Detected?

The P1288 code is set if the engine reaches critical temperature.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1288 1999 Ford F150 Code

1. What are the common symptoms of OBDII code P1288 on a 1999 Ford F150?

- Common symptoms include rough idling, engine misfires, poor acceleration, and possibly an illuminated check engine light.

2. What does the OBDII code P1288 indicate on a 1999 Ford F150?

- The code P1288 indicates that the Cylinder Head Temperature Sensor is out of self-test range, signaling a potential issue with the sensor or its circuit.

3. What are the possible causes of OBDII code P1288 on a 1999 Ford F150?

- Possible causes include a faulty Cylinder Head Temperature Sensor, wiring issues, sensor circuit problems, or a malfunction in the engine control module.

4. How can I diagnose the Cylinder Head Temperature Sensor on a 1999 Ford F150 with code P1288?

- You can diagnose the sensor by using a multimeter to test its resistance or voltage readings, checking the wiring harness for any damage, and ensuring proper connections.

5. What are the repair options for resolving OBDII code P1288 on a 1999 Ford F150?

- Repair options may include replacing the Cylinder Head Temperature Sensor, repairing any damaged wiring or connections, or resetting the engine control module after fixing the issue.

6. Can I continue driving my 1999 Ford F150 with OBDII code P1288?

- It is recommended not to drive the vehicle extensively with this code present, as it can lead to potential engine performance issues and further damage if left unresolved.

7. How much does it typically cost to repair OBDII code P1288 on a 1999 Ford F150?

- The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.

8. Will resetting the check engine light resolve OBDII code P1288 on a 1999 Ford F150?

- Simply resetting the check engine light will not resolve the underlying issue causing the code. It is essential to diagnose and repair the problem to prevent it from recurring.

9. Can a DIY enthusiast fix OBDII code P1288 on a 1999 Ford F150?

- Depending on your mechanical skills and access to tools, you may be able to replace the Cylinder Head Temperature Sensor yourself. However, diagnosing electrical issues may require professional assistance.

10. How often does OBDII code P1288 occur in a 1999 Ford F150?

- The occurrence of code P1288 may vary, but it is not a common code and usually indicates a specific issue related to the Cylinder Head Temperature Sensor.

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